A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
** This device is powered by
5V only and requires a VIH of
3.5V on it's SMBus interface.
Here is a 5V-3V SMBUS
specific level translation
circuit.
Slave address =
0101101b
3 DEVICE AGP 1.0
LM79 MONITOR
INTEL CORPORATION
GRAPHICS COMPONENTS DIVISION
1900 PRAIRIE CITY RD. FM5-79
FOLSOM, CA. 95630
Custom
33 41Thursday, July 02, 1998
Title
Size Document Number Rev
Date: Sheet
of
XD5
XD6
VID1
VID4
XD3
VID0
XD7
VID3
XD4
XD2
VID2
XD1
XD0
-5V
VCC
VTT VCC3VCCCORE +12V
VCC3
VCC
VCC
-12V
R202
2.7K
R227
80.6K
R208
66.5K
R211
10K
LM79
HARDWARE
MONITOR
U29
LM79
40
1
39
13
1635
22
37
21
24
20
36
34
2
19
3
18
11
12
10
9
8
7
6
5
4
44
43
41
42
14
15
38
17
33
32
31
30
29
28
23
27
26
25
SMI#
IORD#
NMI/IRQ#
VSSD
PS_BYPASSVID2
RESET#
VID0
SDA
VSSA
SCL
VID1
VID3
IOWR#
FAN1
SYSCLK
FAN2
D0
VCC5
D1
D2
D3
D4
D5
D6
D7
CS#
A0
A2
A1
SMI_IN#
CHASIS_INTRU
BTI#
FAN3
IN0
IN1
IN2
IN3
IN4
-IN5
VID4/NTEST
FB5
FB6
-IN6
R183
10K
R209
232K
R184
10K
R210
66.5K
R228
100K
R229
10K
R206
100K
R200
2.7K
R214
10K
R185
10K
R201
2.7K
R226
232K
R186
2.7K
R207
66.5K
Q4
2N3904
3
2
1
Q3
2N3904
3
2
1
C388
0.1 uF
C387
0.1 uF
R2130
R2120
D4
1
3
2
TP3605
1
SMBDATA3,6,9,10,11,13,28
PSFAN226
SYSCLK12,18,38
EXTSMI#13,28PGCS#113,28
CPUFAN126
SA112,14,18,21,29
IOW#12,14,18,29
SA212,14,18,21,29
SMBCLK3,6,9,10,11,13,28
VID[4:0]4,25
XD[7:0]14,21
IOR#12,14,18,29
SA012,14,18,21,29